4KXB

Crystal structure of human aminopeptidase A complexed with bestatin

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	ARM repeat-like	8054104	3000116	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	ERAP1, insert domain	8054103	3002272	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Metalloproteases (zincins), catalytic domain	8054102	3001975	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Leukotriene A4 hydrolase N-terminal domain	8054101	3000390	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	ERAP1_C	e4kxbA5	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: ERAP1_C	ECOD (1.6)
A	Peptidase_M1_2	e4kxbA3	A: beta sandwiches	X: Baculovirus p35 protein-related (From Topology)	H: Baculovirus p35 protein-related (From Topology)	T: Baculovirus p35 protein-related	F: Peptidase_M1_2	ECOD (1.6)
A	ERAP1_C_1	e4kxbA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: ERAP1_C_1	ECOD (1.6)
A	Peptidase_M1_1	e4kxbA4	A: mixed a+b and a/b	X: Zincin-like	H: Metalloproteases (zincins) catalytic domain (From Topology)	T: Metalloproteases (zincins) catalytic domain	F: Peptidase_M1_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.1730	Mainly Beta	Sandwich	Immunoglobulin-like	tricorn interacting facor f3 domain	CATH (4.3.0)
A	1.10.390.10	Mainly Alpha	Orthogonal Bundle	Neutral Protease	domain 2	CATH (4.3.0)
A	2.60.40.1910	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
A	1.25.50.20	Mainly Alpha	Alpha Horseshoe	Zincin-like fold		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF11838	ERAP1-like C-terminal domain (ERAP1_C)	ERAP1-like C-terminal domain	This large domain is composed of 16 alpha helices organized as 8 HEAT-like repeats. This domain forms a concave face that faces towards the active site of the peptidase.	Domain
A	PF01433	Peptidase family M1 domain (Peptidase_M1)	Peptidase family M1 domain	Members of this family are aminopeptidases. The members differ widely in specificity, hydrolysing acidic, basic or neutral N-terminal residues. This family includes leukotriene-A4 hydrolase Swiss:P09960, this enzyme also has an aminopeptidase activ ...	Members of this family are aminopeptidases. The members differ widely in specificity, hydrolysing acidic, basic or neutral N-terminal residues. This family includes leukotriene-A4 hydrolase Swiss:P09960, this enzyme also has an aminopeptidase activity [1].	Domain
A	PF17900	Peptidase M1 N-terminal domain (Peptidase_M1_N)	Peptidase M1 N-terminal domain	This domain is found at the N-terminus of aminopeptidases from the M1 family.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Glutamyl aminopeptidase	peptidase activity catalytic activity, acting on a protein hydrolase activity metallopeptidase activity aminopeptidase activity metalloaminopeptidase activity exopeptidase activity catalytic activity metalloexopeptidase activity binding peptide binding cation binding transition metal ion binding zinc ion binding peptidase activity catalytic activity, acting on a protein hydrolase activity metallopeptidase activity aminopeptidase activity metalloaminopeptidase activity exopeptidase activity catalytic activity metalloexopeptidase activity binding peptide binding cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	regulation of systemic arterial blood pressure by renin-angiotensin regulation of systemic arterial blood pressure by hormone multicellular organismal process peptide hormone processing regulation of systemic arterial blood pressure mediated by a chemical signal system process signaling receptor ligand precursor processing protein maturation circulatory system process proteolysis amide metabolic process protein metabolic process regulation of biological quality blood circulation regulation of systemic arterial blood pressure by renin-angiotensin regulation of systemic arterial blood pressure by hormone multicellular organismal process peptide hormone processing regulation of systemic arterial blood pressure mediated by a chemical signal system process signaling receptor ligand precursor processing protein maturation circulatory system process proteolysis amide metabolic process protein metabolic process regulation of biological quality blood circulation regulation of blood pressure regulation of hormone levels biological regulation regulation of systemic arterial blood pressure by circulatory renin-angiotensin primary metabolic process gene expression macromolecule biosynthetic process hormone metabolic process regulation of systemic arterial blood pressure endocrine process biosynthetic process regulation of angiotensin levels in blood protein processing metabolic process cellular process macromolecule metabolic process angiotensin maturation cellular catabolic process catabolic process peptide metabolic process peptide catabolic process developmental process blood vessel morphogenesis tube development angiogenesis vasculature development circulatory system development multicellular organism development anatomical structure morphogenesis tube morphogenesis anatomical structure development anatomical structure formation involved in morphogenesis blood vessel development system development cell population proliferation regulation of biological process signaling cell-cell signaling cell communication cell migration cell motility glomerulus development animal organ development nephron development kidney development renal system development	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane apical part of cell plasma membrane region apical plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane apical part of cell plasma membrane region apical plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle cluster of actin-based cell projections brush border intracellular anatomical structure cytoplasm intracellular organelle cytoplasmic vesicle intracellular vesicle intracellular membrane-bounded organelle vacuolar membrane lytic vacuole vacuole lytic vacuole membrane bounding membrane of organelle lysosomal membrane organelle membrane lysosome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001930	Peptidase M1, alanine aminopeptidase/leukotriene A4 hydrolase	Family
A	IPR042097	Aminopeptidase N-like , N-terminal domain superfamliy	Homologous Superfamily
A	IPR024571	ERAP1-like C-terminal domain	Domain
A	IPR027268	Peptidase M4/M1, CTD superfamily	Homologous Superfamily
A	IPR034016	Aminopeptidase N-type	Family
A	IPR014782	Peptidase M1, membrane alanine aminopeptidase	Domain
A	IPR045357	Aminopeptidase N-like , N-terminal domain	Domain
A	IPR050344	Peptidase M1 family aminopeptidases	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q07075	Liver Cirrhosis, Experimental sinusitis AIDS glioblastoma invasive ductal breast carcinoma major depressive disorder pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia atrial fibrillation hypertensive disorder malignant ependymoma medulloblastoma pancreatic intraductal papillary-mucinous carcinoma psoriasis gastric carcinoma Liver Cirrhosis, Experimental sinusitis AIDS glioblastoma invasive ductal breast carcinoma major depressive disorder pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia atrial fibrillation hypertensive disorder malignant ependymoma medulloblastoma pancreatic intraductal papillary-mucinous carcinoma psoriasis gastric carcinoma interstitial cystitis lung cancer malignant glioma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.